Bluetooth interphone



FIG. 1 is a top, right and front perspective view of a bluetooth interphone showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in the drawings illustrate portions of the bluetooth interphone which form no part of the claimed design. 

CLAIM The ornamental design for a bluetooth interphone, as shown and described. 